Denver International Airport (DIA) is home to many conspiracy theories. Some believe the underworld beneath the airport serves as headquarters for a secret government, while others believe it is prepared to serve as a FEMA concentration camp. Yet others believe an underground city of populated by extraterrestrials is what lies beneath DIA. <br /><br />skywizard <br /><br />FAIR USE NOTICE: This video may contain copyrighted material. Such material on this site is distributed without profit and is made available for research and educational purposes only. This constitutes a 'fair use' of any such copyrighted material as provided for in Title 17 U.S.C. section 106A-117 of the US Copyright Law.
